18031750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 19707770

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 83, 110, 125, 158, 166, 250, 275, 395, 415, 550, 790, 830, 869, 913, 1375, 1738, 1826, 1975, 2075, 2750, 3950, 4150, 4345, 4565, 6557, 8690, 9130, 9875, 10375, 13114, 19750, 20750, 21725, 22825, 32785, 43450, 45650, 65570, 72127, 108625, 114125, 144254, 163925, 217250, 228250, 327850, 360635, 721270, 819625, 1639250, 1803175, 3606350, 9015875, 18031750]

約数ペア:

[(1, 18031750), (2, 9015875), (5, 3606350), (10, 1803175), (11, 1639250), (22, 819625), (25, 721270), (50, 360635), (55, 327850), (79, 228250), (83, 217250), (110, 163925), (125, 144254), (158, 114125), (166, 108625), (250, 72127), (275, 65570), (395, 45650), (415, 43450), (550, 32785), (790, 22825), (830, 21725), (869, 20750), (913, 19750), (1375, 13114), (1738, 10375), (1826, 9875), (1975, 9130), (2075, 8690), (2750, 6557), (3950, 4565), (4150, 4345)]