18930750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 48432384

約数和(自身を除く): 29501634

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 125, 129, 150, 215, 250, 258, 375, 430, 587, 645, 750, 1075, 1174, 1290, 1761, 2150, 2935, 3225, 3522, 5375, 5870, 6450, 8805, 10750, 14675, 16125, 17610, 25241, 29350, 32250, 44025, 50482, 73375, 75723, 88050, 126205, 146750, 151446, 220125, 252410, 378615, 440250, 631025, 757230, 1262050, 1893075, 3155125, 3786150, 6310250, 9465375, 18930750]

約数ペア:

[(1, 18930750), (2, 9465375), (3, 6310250), (5, 3786150), (6, 3155125), (10, 1893075), (15, 1262050), (25, 757230), (30, 631025), (43, 440250), (50, 378615), (75, 252410), (86, 220125), (125, 151446), (129, 146750), (150, 126205), (215, 88050), (250, 75723), (258, 73375), (375, 50482), (430, 44025), (587, 32250), (645, 29350), (750, 25241), (1075, 17610), (1174, 16125), (1290, 14675), (1761, 10750), (2150, 8805), (2935, 6450), (3225, 5870), (3522, 5375)]