16618420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 44932608

約数和(自身を除く): 28314188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 397, 455, 460, 598, 644, 794, 805, 910, 1196, 1495, 1588, 1610, 1820, 1985, 2093, 2779, 2990, 3220, 3970, 4186, 5161, 5558, 5980, 7940, 8372, 9131, 10322, 10465, 11116, 13895, 18262, 20644, 20930, 25805, 27790, 36127, 36524, 41860, 45655, 51610, 55580, 63917, 72254, 91310, 103220, 118703, 127834, 144508, 180635, 182620, 237406, 255668, 319585, 361270, 474812, 593515, 639170, 722540, 830921, 1187030, 1278340, 1661842, 2374060, 3323684, 4154605, 8309210, 16618420]

約数ペア:

[(1, 16618420), (2, 8309210), (4, 4154605), (5, 3323684), (7, 2374060), (10, 1661842), (13, 1278340), (14, 1187030), (20, 830921), (23, 722540), (26, 639170), (28, 593515), (35, 474812), (46, 361270), (52, 319585), (65, 255668), (70, 237406), (91, 182620), (92, 180635), (115, 144508), (130, 127834), (140, 118703), (161, 103220), (182, 91310), (230, 72254), (260, 63917), (299, 55580), (322, 51610), (364, 45655), (397, 41860), (455, 36524), (460, 36127), (598, 27790), (644, 25805), (794, 20930), (805, 20644), (910, 18262), (1196, 13895), (1495, 11116), (1588, 10465), (1610, 10322), (1820, 9131), (1985, 8372), (2093, 7940), (2779, 5980), (2990, 5558), (3220, 5161), (3970, 4186)]