19472700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4993}}^1$

素因数の和:5023

約数の個数: 72

約数和(自身を含む): 60687088

約数和(自身を除く): 41214388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4993, 9986, 14979, 19972, 24965, 29958, 49930, 59916, 64909, 74895, 99860, 124825, 129818, 149790, 194727, 249650, 259636, 299580, 324545, 374475, 389454, 499300, 649090, 748950, 778908, 973635, 1298180, 1497900, 1622725, 1947270, 3245450, 3894540, 4868175, 6490900, 9736350, 19472700]

約数ペア:

[(1, 19472700), (2, 9736350), (3, 6490900), (4, 4868175), (5, 3894540), (6, 3245450), (10, 1947270), (12, 1622725), (13, 1497900), (15, 1298180), (20, 973635), (25, 778908), (26, 748950), (30, 649090), (39, 499300), (50, 389454), (52, 374475), (60, 324545), (65, 299580), (75, 259636), (78, 249650), (100, 194727), (130, 149790), (150, 129818), (156, 124825), (195, 99860), (260, 74895), (300, 64909), (325, 59916), (390, 49930), (650, 29958), (780, 24965), (975, 19972), (1300, 14979), (1950, 9986), (3900, 4993)]