19460240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 49215600

約数和(自身を除く): 29755360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 349, 410, 656, 680, 697, 698, 820, 1360, 1394, 1396, 1640, 1745, 2788, 2792, 3280, 3485, 3490, 5576, 5584, 5933, 6970, 6980, 11152, 11866, 13940, 13960, 14309, 23732, 27880, 27920, 28618, 29665, 47464, 55760, 57236, 59330, 71545, 94928, 114472, 118660, 143090, 228944, 237320, 243253, 286180, 474640, 486506, 572360, 973012, 1144720, 1216265, 1946024, 2432530, 3892048, 4865060, 9730120, 19460240]

約数ペア:

[(1, 19460240), (2, 9730120), (4, 4865060), (5, 3892048), (8, 2432530), (10, 1946024), (16, 1216265), (17, 1144720), (20, 973012), (34, 572360), (40, 486506), (41, 474640), (68, 286180), (80, 243253), (82, 237320), (85, 228944), (136, 143090), (164, 118660), (170, 114472), (205, 94928), (272, 71545), (328, 59330), (340, 57236), (349, 55760), (410, 47464), (656, 29665), (680, 28618), (697, 27920), (698, 27880), (820, 23732), (1360, 14309), (1394, 13960), (1396, 13940), (1640, 11866), (1745, 11152), (2788, 6980), (2792, 6970), (3280, 5933), (3485, 5584), (3490, 5576)]