19226480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 58329600

約数和(自身を除く): 39103120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 139, 140, 152, 182, 190, 208, 247, 260, 266, 278, 280, 304, 364, 380, 455, 494, 520, 532, 556, 560, 665, 695, 728, 760, 910, 973, 988, 1040, 1064, 1112, 1235, 1330, 1390, 1456, 1520, 1729, 1807, 1820, 1946, 1976, 2128, 2224, 2470, 2641, 2660, 2780, 3458, 3614, 3640, 3892, 3952, 4865, 4940, 5282, 5320, 5560, 6916, 7228, 7280, 7784, 8645, 9035, 9730, 9880, 10564, 10640, 11120, 12649, 13205, 13832, 14456, 15568, 17290, 18070, 18487, 19460, 19760, 21128, 25298, 26410, 27664, 28912, 34333, 34580, 36140, 36974, 38920, 42256, 50596, 52820, 63245, 68666, 69160, 72280, 73948, 77840, 92435, 101192, 105640, 126490, 137332, 138320, 144560, 147896, 171665, 184870, 202384, 211280, 240331, 252980, 274664, 295792, 343330, 369740, 480662, 505960, 549328, 686660, 739480, 961324, 1011920, 1201655, 1373320, 1478960, 1922648, 2403310, 2746640, 3845296, 4806620, 9613240, 19226480]

約数ペア:

[(1, 19226480), (2, 9613240), (4, 4806620), (5, 3845296), (7, 2746640), (8, 2403310), (10, 1922648), (13, 1478960), (14, 1373320), (16, 1201655), (19, 1011920), (20, 961324), (26, 739480), (28, 686660), (35, 549328), (38, 505960), (40, 480662), (52, 369740), (56, 343330), (65, 295792), (70, 274664), (76, 252980), (80, 240331), (91, 211280), (95, 202384), (104, 184870), (112, 171665), (130, 147896), (133, 144560), (139, 138320), (140, 137332), (152, 126490), (182, 105640), (190, 101192), (208, 92435), (247, 77840), (260, 73948), (266, 72280), (278, 69160), (280, 68666), (304, 63245), (364, 52820), (380, 50596), (455, 42256), (494, 38920), (520, 36974), (532, 36140), (556, 34580), (560, 34333), (665, 28912), (695, 27664), (728, 26410), (760, 25298), (910, 21128), (973, 19760), (988, 19460), (1040, 18487), (1064, 18070), (1112, 17290), (1235, 15568), (1330, 14456), (1390, 13832), (1456, 13205), (1520, 12649), (1729, 11120), (1807, 10640), (1820, 10564), (1946, 9880), (1976, 9730), (2128, 9035), (2224, 8645), (2470, 7784), (2641, 7280), (2660, 7228), (2780, 6916), (3458, 5560), (3614, 5320), (3640, 5282), (3892, 4940), (3952, 4865)]