19365450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9931}}^1$

素因数の和:9959

約数の個数: 48

約数和(自身を含む): 51725856

約数和(自身を除く): 32360406

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9931, 19862, 29793, 49655, 59586, 99310, 129103, 148965, 248275, 258206, 297930, 387309, 496550, 645515, 744825, 774618, 1291030, 1489650, 1936545, 3227575, 3873090, 6455150, 9682725, 19365450]

約数ペア:

[(1, 19365450), (2, 9682725), (3, 6455150), (5, 3873090), (6, 3227575), (10, 1936545), (13, 1489650), (15, 1291030), (25, 774618), (26, 744825), (30, 645515), (39, 496550), (50, 387309), (65, 297930), (75, 258206), (78, 248275), (130, 148965), (150, 129103), (195, 99310), (325, 59586), (390, 49655), (650, 29793), (975, 19862), (1950, 9931)]