19363980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4421}}^1$

素因数の和:4506

約数の個数: 48

約数和(自身を含む): 54974304

約数和(自身を除く): 35610324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4421, 8842, 13263, 17684, 22105, 26526, 44210, 53052, 66315, 88420, 132630, 265260, 322733, 645466, 968199, 1290932, 1613665, 1936398, 3227330, 3872796, 4840995, 6454660, 9681990, 19363980]

約数ペア:

[(1, 19363980), (2, 9681990), (3, 6454660), (4, 4840995), (5, 3872796), (6, 3227330), (10, 1936398), (12, 1613665), (15, 1290932), (20, 968199), (30, 645466), (60, 322733), (73, 265260), (146, 132630), (219, 88420), (292, 66315), (365, 53052), (438, 44210), (730, 26526), (876, 22105), (1095, 17684), (1460, 13263), (2190, 8842), (4380, 4421)]