19307420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 29076580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 149, 155, 190, 209, 220, 298, 310, 341, 380, 418, 589, 596, 620, 682, 745, 836, 1045, 1178, 1364, 1490, 1639, 1705, 2090, 2356, 2831, 2945, 2980, 3278, 3410, 4180, 4619, 5662, 5890, 6479, 6556, 6820, 8195, 9238, 11324, 11780, 12958, 14155, 16390, 18476, 23095, 25916, 28310, 31141, 32395, 32780, 46190, 50809, 56620, 62282, 64790, 87761, 92380, 101618, 124564, 129580, 155705, 175522, 203236, 254045, 311410, 351044, 438805, 508090, 622820, 877610, 965371, 1016180, 1755220, 1930742, 3861484, 4826855, 9653710, 19307420]

約数ペア:

[(1, 19307420), (2, 9653710), (4, 4826855), (5, 3861484), (10, 1930742), (11, 1755220), (19, 1016180), (20, 965371), (22, 877610), (31, 622820), (38, 508090), (44, 438805), (55, 351044), (62, 311410), (76, 254045), (95, 203236), (110, 175522), (124, 155705), (149, 129580), (155, 124564), (190, 101618), (209, 92380), (220, 87761), (298, 64790), (310, 62282), (341, 56620), (380, 50809), (418, 46190), (589, 32780), (596, 32395), (620, 31141), (682, 28310), (745, 25916), (836, 23095), (1045, 18476), (1178, 16390), (1364, 14155), (1490, 12958), (1639, 11780), (1705, 11324), (2090, 9238), (2356, 8195), (2831, 6820), (2945, 6556), (2980, 6479), (3278, 5890), (3410, 5662), (4180, 4619)]