19638852065

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 27749744640

約数和(自身を除く): 8110892575

約数列:

[1, 5, 7, 35, 67, 163, 191, 269, 335, 469, 815, 955, 1141, 1337, 1345, 1883, 2345, 5705, 6685, 9415, 10921, 12797, 18023, 31133, 43847, 51379, 54605, 63985, 76447, 89579, 90115, 126161, 155665, 217931, 219235, 256895, 306929, 359653, 382235, 447895, 630805, 1089655, 1534645, 1798265, 2085911, 2937749, 3442393, 8374777, 10429555, 14601377, 14688745, 17211965, 20564243, 24096751, 41873885, 58623439, 73006885, 102821215, 120483755, 293117195, 561110059, 2805550295, 3927770413, 19638852065]

約数ペア:

[(1, 19638852065), (5, 3927770413), (7, 2805550295), (35, 561110059), (67, 293117195), (163, 120483755), (191, 102821215), (269, 73006885), (335, 58623439), (469, 41873885), (815, 24096751), (955, 20564243), (1141, 17211965), (1337, 14688745), (1345, 14601377), (1883, 10429555), (2345, 8374777), (5705, 3442393), (6685, 2937749), (9415, 2085911), (10921, 1798265), (12797, 1534645), (18023, 1089655), (31133, 630805), (43847, 447895), (51379, 382235), (54605, 359653), (63985, 306929), (76447, 256895), (89579, 219235), (90115, 217931), (126161, 155665)]