19459830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 51565248

約数和(自身を除く): 32105418

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1217, 1230, 1599, 2434, 2665, 3198, 3651, 5330, 6085, 7302, 7995, 12170, 15821, 15990, 18255, 31642, 36510, 47463, 49897, 79105, 94926, 99794, 149691, 158210, 237315, 249485, 299382, 474630, 498970, 648661, 748455, 1297322, 1496910, 1945983, 3243305, 3891966, 6486610, 9729915, 19459830]

約数ペア:

[(1, 19459830), (2, 9729915), (3, 6486610), (5, 3891966), (6, 3243305), (10, 1945983), (13, 1496910), (15, 1297322), (26, 748455), (30, 648661), (39, 498970), (41, 474630), (65, 299382), (78, 249485), (82, 237315), (123, 158210), (130, 149691), (195, 99794), (205, 94926), (246, 79105), (390, 49897), (410, 47463), (533, 36510), (615, 31642), (1066, 18255), (1217, 15990), (1230, 15821), (1599, 12170), (2434, 7995), (2665, 7302), (3198, 6085), (3651, 5330)]