19544047900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{791257}}^1$

素因数の和:791303

約数の個数: 72

約数和(自身を含む): 48076836080

約数和(自身を除く): 28532788180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 6175, 12350, 24700, 791257, 1582514, 3165028, 3956285, 7912570, 10286341, 15033883, 15825140, 19781425, 20572682, 30067766, 39562850, 41145364, 51431705, 60135532, 75169415, 79125700, 102863410, 150338830, 195440479, 205726820, 257158525, 300677660, 375847075, 390880958, 514317050, 751694150, 781761916, 977202395, 1028634100, 1503388300, 1954404790, 3908809580, 4886011975, 9772023950, 19544047900]

約数ペア:

[(1, 19544047900), (2, 9772023950), (4, 4886011975), (5, 3908809580), (10, 1954404790), (13, 1503388300), (19, 1028634100), (20, 977202395), (25, 781761916), (26, 751694150), (38, 514317050), (50, 390880958), (52, 375847075), (65, 300677660), (76, 257158525), (95, 205726820), (100, 195440479), (130, 150338830), (190, 102863410), (247, 79125700), (260, 75169415), (325, 60135532), (380, 51431705), (475, 41145364), (494, 39562850), (650, 30067766), (950, 20572682), (988, 19781425), (1235, 15825140), (1300, 15033883), (1900, 10286341), (2470, 7912570), (4940, 3956285), (6175, 3165028), (12350, 1582514), (24700, 791257)]