19266520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 54835200

約数和(自身を除く): 35568680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 79, 91, 104, 130, 134, 140, 158, 182, 260, 268, 280, 316, 335, 364, 395, 455, 469, 520, 536, 553, 632, 670, 728, 790, 871, 910, 938, 1027, 1106, 1340, 1580, 1742, 1820, 1876, 2054, 2212, 2345, 2680, 2765, 3160, 3484, 3640, 3752, 4108, 4355, 4424, 4690, 5135, 5293, 5530, 6097, 6968, 7189, 8216, 8710, 9380, 10270, 10586, 11060, 12194, 14378, 17420, 18760, 20540, 21172, 22120, 24388, 26465, 28756, 30485, 34840, 35945, 37051, 41080, 42344, 48776, 52930, 57512, 60970, 68809, 71890, 74102, 105860, 121940, 137618, 143780, 148204, 185255, 211720, 243880, 275236, 287560, 296408, 344045, 370510, 481663, 550472, 688090, 741020, 963326, 1376180, 1482040, 1926652, 2408315, 2752360, 3853304, 4816630, 9633260, 19266520]

約数ペア:

[(1, 19266520), (2, 9633260), (4, 4816630), (5, 3853304), (7, 2752360), (8, 2408315), (10, 1926652), (13, 1482040), (14, 1376180), (20, 963326), (26, 741020), (28, 688090), (35, 550472), (40, 481663), (52, 370510), (56, 344045), (65, 296408), (67, 287560), (70, 275236), (79, 243880), (91, 211720), (104, 185255), (130, 148204), (134, 143780), (140, 137618), (158, 121940), (182, 105860), (260, 74102), (268, 71890), (280, 68809), (316, 60970), (335, 57512), (364, 52930), (395, 48776), (455, 42344), (469, 41080), (520, 37051), (536, 35945), (553, 34840), (632, 30485), (670, 28756), (728, 26465), (790, 24388), (871, 22120), (910, 21172), (938, 20540), (1027, 18760), (1106, 17420), (1340, 14378), (1580, 12194), (1742, 11060), (1820, 10586), (1876, 10270), (2054, 9380), (2212, 8710), (2345, 8216), (2680, 7189), (2765, 6968), (3160, 6097), (3484, 5530), (3640, 5293), (3752, 5135), (4108, 4690), (4355, 4424)]