19464250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 40334112

約数和(自身を除く): 20869862

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 113, 125, 130, 226, 250, 265, 325, 530, 565, 650, 689, 1130, 1325, 1378, 1469, 1625, 2650, 2825, 2938, 3250, 3445, 5650, 5989, 6625, 6890, 7345, 11978, 13250, 14125, 14690, 17225, 28250, 29945, 34450, 36725, 59890, 73450, 77857, 86125, 149725, 155714, 172250, 183625, 299450, 367250, 389285, 748625, 778570, 1497250, 1946425, 3892850, 9732125, 19464250]

約数ペア:

[(1, 19464250), (2, 9732125), (5, 3892850), (10, 1946425), (13, 1497250), (25, 778570), (26, 748625), (50, 389285), (53, 367250), (65, 299450), (106, 183625), (113, 172250), (125, 155714), (130, 149725), (226, 86125), (250, 77857), (265, 73450), (325, 59890), (530, 36725), (565, 34450), (650, 29945), (689, 28250), (1130, 17225), (1325, 14690), (1378, 14125), (1469, 13250), (1625, 11978), (2650, 7345), (2825, 6890), (2938, 6625), (3250, 5989), (3445, 5650)]