1900387581

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 2875392000

約数和(自身を除く): 975004419

約数列:

[1, 3, 19, 23, 57, 59, 69, 79, 177, 237, 311, 437, 933, 1121, 1311, 1357, 1501, 1817, 3363, 4071, 4503, 4661, 5451, 5909, 7153, 13983, 17727, 18349, 21459, 24569, 25783, 34523, 55047, 73707, 77349, 88559, 103569, 107203, 135907, 265677, 321609, 348631, 407721, 422027, 466811, 565087, 1045893, 1266081, 1400433, 1449571, 1695261, 2036857, 4348713, 6110571, 8018513, 10736653, 24055539, 27541849, 32209959, 33340133, 82625547, 100020399, 633462527, 1900387581]

約数ペア:

[(1, 1900387581), (3, 633462527), (19, 100020399), (23, 82625547), (57, 33340133), (59, 32209959), (69, 27541849), (79, 24055539), (177, 10736653), (237, 8018513), (311, 6110571), (437, 4348713), (933, 2036857), (1121, 1695261), (1311, 1449571), (1357, 1400433), (1501, 1266081), (1817, 1045893), (3363, 565087), (4071, 466811), (4503, 422027), (4661, 407721), (5451, 348631), (5909, 321609), (7153, 265677), (13983, 135907), (17727, 107203), (18349, 103569), (21459, 88559), (24569, 77349), (25783, 73707), (34523, 55047)]