19460220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 59787840

約数和(自身を除く): 40327620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 366, 390, 409, 610, 732, 780, 793, 818, 915, 1220, 1227, 1586, 1636, 1830, 2045, 2379, 2454, 3172, 3660, 3965, 4090, 4758, 4908, 5317, 6135, 7930, 8180, 9516, 10634, 11895, 12270, 15860, 15951, 21268, 23790, 24540, 24949, 26585, 31902, 47580, 49898, 53170, 63804, 74847, 79755, 99796, 106340, 124745, 149694, 159510, 249490, 299388, 319020, 324337, 374235, 498980, 648674, 748470, 973011, 1297348, 1496940, 1621685, 1946022, 3243370, 3892044, 4865055, 6486740, 9730110, 19460220]

約数ペア:

[(1, 19460220), (2, 9730110), (3, 6486740), (4, 4865055), (5, 3892044), (6, 3243370), (10, 1946022), (12, 1621685), (13, 1496940), (15, 1297348), (20, 973011), (26, 748470), (30, 648674), (39, 498980), (52, 374235), (60, 324337), (61, 319020), (65, 299388), (78, 249490), (122, 159510), (130, 149694), (156, 124745), (183, 106340), (195, 99796), (244, 79755), (260, 74847), (305, 63804), (366, 53170), (390, 49898), (409, 47580), (610, 31902), (732, 26585), (780, 24949), (793, 24540), (818, 23790), (915, 21268), (1220, 15951), (1227, 15860), (1586, 12270), (1636, 11895), (1830, 10634), (2045, 9516), (2379, 8180), (2454, 7930), (3172, 6135), (3660, 5317), (3965, 4908), (4090, 4758)]