19446804

素因数分解:

$2^2\times 3^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 120

約数和(自身を含む): 57867040

約数和(自身を除く): 38420236

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 108, 114, 117, 156, 162, 171, 228, 234, 243, 247, 324, 342, 351, 468, 486, 494, 513, 684, 702, 729, 741, 972, 988, 1026, 1053, 1404, 1458, 1482, 1539, 2052, 2106, 2187, 2223, 2916, 2964, 3078, 3159, 4212, 4374, 4446, 4617, 6156, 6318, 6561, 6669, 8748, 8892, 9234, 9477, 12636, 13122, 13338, 13851, 18468, 18954, 19683, 20007, 26244, 26676, 27702, 28431, 37908, 39366, 40014, 41553, 55404, 56862, 60021, 78732, 80028, 83106, 85293, 113724, 120042, 124659, 166212, 170586, 180063, 240084, 249318, 255879, 341172, 360126, 373977, 498636, 511758, 540189, 720252, 747954, 1023516, 1080378, 1495908, 1620567, 2160756, 3241134, 4861701, 6482268, 9723402, 19446804]

約数ペア:

[(1, 19446804), (2, 9723402), (3, 6482268), (4, 4861701), (6, 3241134), (9, 2160756), (12, 1620567), (13, 1495908), (18, 1080378), (19, 1023516), (26, 747954), (27, 720252), (36, 540189), (38, 511758), (39, 498636), (52, 373977), (54, 360126), (57, 341172), (76, 255879), (78, 249318), (81, 240084), (108, 180063), (114, 170586), (117, 166212), (156, 124659), (162, 120042), (171, 113724), (228, 85293), (234, 83106), (243, 80028), (247, 78732), (324, 60021), (342, 56862), (351, 55404), (468, 41553), (486, 40014), (494, 39366), (513, 37908), (684, 28431), (702, 27702), (729, 26676), (741, 26244), (972, 20007), (988, 19683), (1026, 18954), (1053, 18468), (1404, 13851), (1458, 13338), (1482, 13122), (1539, 12636), (2052, 9477), (2106, 9234), (2187, 8892), (2223, 8748), (2916, 6669), (2964, 6561), (3078, 6318), (3159, 6156), (4212, 4617), (4374, 4446)]