16391870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 36771840

約数和(自身を除く): 20379970

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 31, 38, 46, 55, 62, 95, 110, 115, 121, 155, 190, 209, 230, 242, 253, 310, 341, 418, 437, 506, 589, 605, 682, 713, 874, 1045, 1178, 1210, 1265, 1426, 1705, 2090, 2185, 2299, 2530, 2783, 2945, 3410, 3565, 3751, 4370, 4598, 4807, 5566, 5890, 6479, 7130, 7502, 7843, 9614, 11495, 12958, 13547, 13915, 15686, 18755, 22990, 24035, 27094, 27830, 32395, 37510, 39215, 48070, 52877, 64790, 67735, 71269, 78430, 86273, 105754, 135470, 142538, 149017, 172546, 264385, 298034, 356345, 431365, 528770, 712690, 745085, 862730, 1490170, 1639187, 3278374, 8195935, 16391870]

約数ペア:

[(1, 16391870), (2, 8195935), (5, 3278374), (10, 1639187), (11, 1490170), (19, 862730), (22, 745085), (23, 712690), (31, 528770), (38, 431365), (46, 356345), (55, 298034), (62, 264385), (95, 172546), (110, 149017), (115, 142538), (121, 135470), (155, 105754), (190, 86273), (209, 78430), (230, 71269), (242, 67735), (253, 64790), (310, 52877), (341, 48070), (418, 39215), (437, 37510), (506, 32395), (589, 27830), (605, 27094), (682, 24035), (713, 22990), (874, 18755), (1045, 15686), (1178, 13915), (1210, 13547), (1265, 12958), (1426, 11495), (1705, 9614), (2090, 7843), (2185, 7502), (2299, 7130), (2530, 6479), (2783, 5890), (2945, 5566), (3410, 4807), (3565, 4598), (3751, 4370)]