19201590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 54315360

約数和(自身を除く): 35113770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 197, 270, 285, 342, 361, 394, 513, 570, 591, 722, 855, 985, 1026, 1083, 1182, 1710, 1773, 1805, 1970, 2166, 2565, 2955, 3249, 3546, 3610, 3743, 5130, 5319, 5415, 5910, 6498, 7486, 8865, 9747, 10638, 10830, 11229, 16245, 17730, 18715, 19494, 22458, 26595, 32490, 33687, 37430, 48735, 53190, 56145, 67374, 71117, 97470, 101061, 112290, 142234, 168435, 202122, 213351, 336870, 355585, 426702, 505305, 640053, 711170, 1010610, 1066755, 1280106, 1920159, 2133510, 3200265, 3840318, 6400530, 9600795, 19201590]

約数ペア:

[(1, 19201590), (2, 9600795), (3, 6400530), (5, 3840318), (6, 3200265), (9, 2133510), (10, 1920159), (15, 1280106), (18, 1066755), (19, 1010610), (27, 711170), (30, 640053), (38, 505305), (45, 426702), (54, 355585), (57, 336870), (90, 213351), (95, 202122), (114, 168435), (135, 142234), (171, 112290), (190, 101061), (197, 97470), (270, 71117), (285, 67374), (342, 56145), (361, 53190), (394, 48735), (513, 37430), (570, 33687), (591, 32490), (722, 26595), (855, 22458), (985, 19494), (1026, 18715), (1083, 17730), (1182, 16245), (1710, 11229), (1773, 10830), (1805, 10638), (1970, 9747), (2166, 8865), (2565, 7486), (2955, 6498), (3249, 5910), (3546, 5415), (3610, 5319), (3743, 5130)]