19887621122

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{3271}}^1$

素因数の和:3531

約数の個数: 48

約数和(自身を含む): 32377172928

約数和(自身を除く): 12489551806

約数列:

[1, 2, 17, 34, 67, 134, 157, 289, 314, 578, 1139, 2278, 2669, 3271, 5338, 6542, 10519, 19363, 21038, 38726, 45373, 55607, 90746, 111214, 178823, 219157, 357646, 438314, 513547, 945319, 1027094, 1890638, 3039991, 3725669, 6079982, 7451338, 8730299, 17460598, 34407649, 63336373, 68815298, 126672746, 148415083, 296830166, 584930033, 1169860066, 9943810561, 19887621122]

約数ペア:

[(1, 19887621122), (2, 9943810561), (17, 1169860066), (34, 584930033), (67, 296830166), (134, 148415083), (157, 126672746), (289, 68815298), (314, 63336373), (578, 34407649), (1139, 17460598), (2278, 8730299), (2669, 7451338), (3271, 6079982), (5338, 3725669), (6542, 3039991), (10519, 1890638), (19363, 1027094), (21038, 945319), (38726, 513547), (45373, 438314), (55607, 357646), (90746, 219157), (111214, 178823)]