19566580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 49029120

約数和(自身を除く): 29462540

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 151, 155, 190, 209, 220, 302, 310, 341, 380, 418, 589, 604, 620, 682, 755, 836, 1045, 1178, 1364, 1510, 1661, 1705, 2090, 2356, 2869, 2945, 3020, 3322, 3410, 4180, 4681, 5738, 5890, 6479, 6644, 6820, 8305, 9362, 11476, 11780, 12958, 14345, 16610, 18724, 23405, 25916, 28690, 31559, 32395, 33220, 46810, 51491, 57380, 63118, 64790, 88939, 93620, 102982, 126236, 129580, 157795, 177878, 205964, 257455, 315590, 355756, 444695, 514910, 631180, 889390, 978329, 1029820, 1778780, 1956658, 3913316, 4891645, 9783290, 19566580]

約数ペア:

[(1, 19566580), (2, 9783290), (4, 4891645), (5, 3913316), (10, 1956658), (11, 1778780), (19, 1029820), (20, 978329), (22, 889390), (31, 631180), (38, 514910), (44, 444695), (55, 355756), (62, 315590), (76, 257455), (95, 205964), (110, 177878), (124, 157795), (151, 129580), (155, 126236), (190, 102982), (209, 93620), (220, 88939), (302, 64790), (310, 63118), (341, 57380), (380, 51491), (418, 46810), (589, 33220), (604, 32395), (620, 31559), (682, 28690), (755, 25916), (836, 23405), (1045, 18724), (1178, 16610), (1364, 14345), (1510, 12958), (1661, 11780), (1705, 11476), (2090, 9362), (2356, 8305), (2869, 6820), (2945, 6644), (3020, 6479), (3322, 5890), (3410, 5738), (4180, 4681)]