18723380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 46061568

約数和(自身を除く): 27338188

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 92, 101, 115, 124, 130, 155, 202, 230, 260, 299, 310, 403, 404, 460, 505, 598, 620, 713, 806, 1010, 1196, 1313, 1426, 1495, 1612, 2015, 2020, 2323, 2626, 2852, 2990, 3131, 3565, 4030, 4646, 5252, 5980, 6262, 6565, 7130, 8060, 9269, 9292, 11615, 12524, 13130, 14260, 15655, 18538, 23230, 26260, 30199, 31310, 37076, 40703, 46345, 46460, 60398, 62620, 72013, 81406, 92690, 120796, 144026, 150995, 162812, 185380, 203515, 288052, 301990, 360065, 407030, 603980, 720130, 814060, 936169, 1440260, 1872338, 3744676, 4680845, 9361690, 18723380]

約数ペア:

[(1, 18723380), (2, 9361690), (4, 4680845), (5, 3744676), (10, 1872338), (13, 1440260), (20, 936169), (23, 814060), (26, 720130), (31, 603980), (46, 407030), (52, 360065), (62, 301990), (65, 288052), (92, 203515), (101, 185380), (115, 162812), (124, 150995), (130, 144026), (155, 120796), (202, 92690), (230, 81406), (260, 72013), (299, 62620), (310, 60398), (403, 46460), (404, 46345), (460, 40703), (505, 37076), (598, 31310), (620, 30199), (713, 26260), (806, 23230), (1010, 18538), (1196, 15655), (1313, 14260), (1426, 13130), (1495, 12524), (1612, 11615), (2015, 9292), (2020, 9269), (2323, 8060), (2626, 7130), (2852, 6565), (2990, 6262), (3131, 5980), (3565, 5252), (4030, 4646)]