19510361390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{7433}}^1$

素因数の和:7845

約数の個数: 64

約数和(自身を含む): 38561406912

約数和(自身を除く): 19051045522

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 331, 610, 662, 793, 1586, 1655, 3310, 3965, 4303, 7433, 7930, 8606, 14866, 20191, 21515, 37165, 40382, 43030, 74330, 96629, 100955, 193258, 201910, 262483, 453413, 483145, 524966, 906826, 966290, 1312415, 2267065, 2460323, 2624830, 4534130, 4920646, 5894369, 11788738, 12301615, 24603230, 29471845, 31984199, 58943690, 63968398, 150079703, 159920995, 300159406, 319841990, 750398515, 1500797030, 1951036139, 3902072278, 9755180695, 19510361390]

約数ペア:

[(1, 19510361390), (2, 9755180695), (5, 3902072278), (10, 1951036139), (13, 1500797030), (26, 750398515), (61, 319841990), (65, 300159406), (122, 159920995), (130, 150079703), (305, 63968398), (331, 58943690), (610, 31984199), (662, 29471845), (793, 24603230), (1586, 12301615), (1655, 11788738), (3310, 5894369), (3965, 4920646), (4303, 4534130), (7433, 2624830), (7930, 2460323), (8606, 2267065), (14866, 1312415), (20191, 966290), (21515, 906826), (37165, 524966), (40382, 483145), (43030, 453413), (74330, 262483), (96629, 201910), (100955, 193258)]