18196300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 42514640

約数和(自身を除く): 24318340

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 157, 190, 244, 305, 314, 380, 475, 610, 628, 785, 950, 1159, 1220, 1525, 1570, 1900, 2318, 2983, 3050, 3140, 3925, 4636, 5795, 5966, 6100, 7850, 9577, 11590, 11932, 14915, 15700, 19154, 23180, 28975, 29830, 38308, 47885, 57950, 59660, 74575, 95770, 115900, 149150, 181963, 191540, 239425, 298300, 363926, 478850, 727852, 909815, 957700, 1819630, 3639260, 4549075, 9098150, 18196300]

約数ペア:

[(1, 18196300), (2, 9098150), (4, 4549075), (5, 3639260), (10, 1819630), (19, 957700), (20, 909815), (25, 727852), (38, 478850), (50, 363926), (61, 298300), (76, 239425), (95, 191540), (100, 181963), (122, 149150), (157, 115900), (190, 95770), (244, 74575), (305, 59660), (314, 57950), (380, 47885), (475, 38308), (610, 29830), (628, 28975), (785, 23180), (950, 19154), (1159, 15700), (1220, 14915), (1525, 11932), (1570, 11590), (1900, 9577), (2318, 7850), (2983, 6100), (3050, 5966), (3140, 5795), (3925, 4636)]