17998890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:396

約数の個数: 128

約数和(自身を含む): 56125440

約数和(自身を除く): 38126550

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 347, 390, 399, 455, 494, 546, 570, 665, 694, 741, 798, 910, 1041, 1235, 1330, 1365, 1482, 1729, 1735, 1995, 2082, 2429, 2470, 2730, 3458, 3470, 3705, 3990, 4511, 4858, 5187, 5205, 6593, 7287, 7410, 8645, 9022, 10374, 10410, 12145, 13186, 13533, 14574, 17290, 19779, 22555, 24290, 25935, 27066, 31577, 32965, 36435, 39558, 45110, 46151, 51870, 63154, 65930, 67665, 72870, 85709, 92302, 94731, 98895, 135330, 138453, 157885, 171418, 189462, 197790, 230755, 257127, 276906, 315770, 428545, 461510, 473655, 514254, 599963, 692265, 857090, 947310, 1199926, 1285635, 1384530, 1799889, 2571270, 2999815, 3599778, 5999630, 8999445, 17998890]

約数ペア:

[(1, 17998890), (2, 8999445), (3, 5999630), (5, 3599778), (6, 2999815), (7, 2571270), (10, 1799889), (13, 1384530), (14, 1285635), (15, 1199926), (19, 947310), (21, 857090), (26, 692265), (30, 599963), (35, 514254), (38, 473655), (39, 461510), (42, 428545), (57, 315770), (65, 276906), (70, 257127), (78, 230755), (91, 197790), (95, 189462), (105, 171418), (114, 157885), (130, 138453), (133, 135330), (182, 98895), (190, 94731), (195, 92302), (210, 85709), (247, 72870), (266, 67665), (273, 65930), (285, 63154), (347, 51870), (390, 46151), (399, 45110), (455, 39558), (494, 36435), (546, 32965), (570, 31577), (665, 27066), (694, 25935), (741, 24290), (798, 22555), (910, 19779), (1041, 17290), (1235, 14574), (1330, 13533), (1365, 13186), (1482, 12145), (1729, 10410), (1735, 10374), (1995, 9022), (2082, 8645), (2429, 7410), (2470, 7287), (2730, 6593), (3458, 5205), (3470, 5187), (3705, 4858), (3990, 4511)]