19624020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 59928960

約数和(自身を除く): 40304940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 139, 156, 181, 195, 260, 278, 362, 390, 417, 543, 556, 695, 724, 780, 834, 905, 1086, 1390, 1668, 1807, 1810, 2085, 2172, 2353, 2715, 2780, 3614, 3620, 4170, 4706, 5421, 5430, 7059, 7228, 8340, 9035, 9412, 10842, 10860, 11765, 14118, 18070, 21684, 23530, 25159, 27105, 28236, 35295, 36140, 47060, 50318, 54210, 70590, 75477, 100636, 108420, 125795, 141180, 150954, 251590, 301908, 327067, 377385, 503180, 654134, 754770, 981201, 1308268, 1509540, 1635335, 1962402, 3270670, 3924804, 4906005, 6541340, 9812010, 19624020]

約数ペア:

[(1, 19624020), (2, 9812010), (3, 6541340), (4, 4906005), (5, 3924804), (6, 3270670), (10, 1962402), (12, 1635335), (13, 1509540), (15, 1308268), (20, 981201), (26, 754770), (30, 654134), (39, 503180), (52, 377385), (60, 327067), (65, 301908), (78, 251590), (130, 150954), (139, 141180), (156, 125795), (181, 108420), (195, 100636), (260, 75477), (278, 70590), (362, 54210), (390, 50318), (417, 47060), (543, 36140), (556, 35295), (695, 28236), (724, 27105), (780, 25159), (834, 23530), (905, 21684), (1086, 18070), (1390, 14118), (1668, 11765), (1807, 10860), (1810, 10842), (2085, 9412), (2172, 9035), (2353, 8340), (2715, 7228), (2780, 7059), (3614, 5430), (3620, 5421), (4170, 4706)]