19893930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1631

約数の個数: 64

約数和(自身を含む): 55496448

約数和(自身を除く): 35602518

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1553, 1830, 2135, 2562, 3106, 4270, 4659, 6405, 7765, 9318, 10871, 12810, 15530, 21742, 23295, 32613, 46590, 54355, 65226, 94733, 108710, 163065, 189466, 284199, 326130, 473665, 568398, 663131, 947330, 1326262, 1420995, 1989393, 2841990, 3315655, 3978786, 6631310, 9946965, 19893930]

約数ペア:

[(1, 19893930), (2, 9946965), (3, 6631310), (5, 3978786), (6, 3315655), (7, 2841990), (10, 1989393), (14, 1420995), (15, 1326262), (21, 947330), (30, 663131), (35, 568398), (42, 473665), (61, 326130), (70, 284199), (105, 189466), (122, 163065), (183, 108710), (210, 94733), (305, 65226), (366, 54355), (427, 46590), (610, 32613), (854, 23295), (915, 21742), (1281, 15530), (1553, 12810), (1830, 10871), (2135, 9318), (2562, 7765), (3106, 6405), (4270, 4659)]