19135090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 39997440

約数和(自身を除く): 20862350

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 61, 65, 95, 122, 127, 130, 190, 247, 254, 305, 494, 610, 635, 793, 1159, 1235, 1270, 1586, 1651, 2318, 2413, 2470, 3302, 3965, 4826, 5795, 7747, 7930, 8255, 11590, 12065, 15067, 15494, 16510, 24130, 30134, 31369, 38735, 62738, 75335, 77470, 100711, 147193, 150670, 156845, 201422, 294386, 313690, 503555, 735965, 1007110, 1471930, 1913509, 3827018, 9567545, 19135090]

約数ペア:

[(1, 19135090), (2, 9567545), (5, 3827018), (10, 1913509), (13, 1471930), (19, 1007110), (26, 735965), (38, 503555), (61, 313690), (65, 294386), (95, 201422), (122, 156845), (127, 150670), (130, 147193), (190, 100711), (247, 77470), (254, 75335), (305, 62738), (494, 38735), (610, 31369), (635, 30134), (793, 24130), (1159, 16510), (1235, 15494), (1270, 15067), (1586, 12065), (1651, 11590), (2318, 8255), (2413, 7930), (2470, 7747), (3302, 5795), (3965, 4826)]