18443470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 37791360

約数和(自身を除く): 19347890

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 53, 85, 89, 106, 115, 170, 178, 230, 265, 391, 445, 530, 782, 890, 901, 1219, 1513, 1802, 1955, 2047, 2438, 3026, 3910, 4094, 4505, 4717, 6095, 7565, 9010, 9434, 10235, 12190, 15130, 20470, 20723, 23585, 34799, 41446, 47170, 69598, 80189, 103615, 108491, 160378, 173995, 207230, 216982, 347990, 400945, 542455, 801890, 1084910, 1844347, 3688694, 9221735, 18443470]

約数ペア:

[(1, 18443470), (2, 9221735), (5, 3688694), (10, 1844347), (17, 1084910), (23, 801890), (34, 542455), (46, 400945), (53, 347990), (85, 216982), (89, 207230), (106, 173995), (115, 160378), (170, 108491), (178, 103615), (230, 80189), (265, 69598), (391, 47170), (445, 41446), (530, 34799), (782, 23585), (890, 20723), (901, 20470), (1219, 15130), (1513, 12190), (1802, 10235), (1955, 9434), (2047, 9010), (2438, 7565), (3026, 6095), (3910, 4717), (4094, 4505)]